US Bridges

IH 610 NB on Ramp over Manchester ST

Fair

Harris County, Texas · 0.60 MI N of SH 225 · Structure no. 121020027115379

Built
1972
53 years old
Condition
Fair
inspected December 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
539 ft
7 main spans
Daily traffic
1,874
2024 count
Owner
State
State Highway Agency

About this bridge

IH 610 NB on Ramp over Manchester ST is a prestressed concrete stringer/multi-beam or girder carrying IH 610 NB on Ramp over Manchester ST in Harris County, Texas. It was built in 1972, so it is 53 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,874 vehicles a day, roughly 8% of them trucks, projected to reach 19,180 by 2033. The structure is 539 ft (164.3 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIH 610 NB on Ramp
CrossesManchester ST
Location0.60 MI N of SH 225
RouteInterstate 610
CountyHarris County
StateTexas
Coordinates29.71898, -95.26584
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7 (+1 approach)
Design loadHS 20
Structure length539 ft (164.3 m)
Longest span74 ft (22.6 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,874 (2024)
Projected traffic19,180 by 2033
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 610 NB on Ramp over Manchester ST built?

It was built in 1972, making it 53 years old in 2025.

What condition is IH 610 NB on Ramp over Manchester ST in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2022.

How much traffic does IH 610 NB on Ramp over Manchester ST carry?

About 1,874 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is IH 610 NB on Ramp over Manchester ST?

The structure is 539 ft (164.3 m) long with a longest span of 74 ft (22.6 m) and a deck 22 ft wide.

Who owns IH 610 NB on Ramp over Manchester ST?

It is owned by the State Highway Agency.